Exam 2: Methods in Psychology-Part E

A schoolteacher seeks help from the school psychologist because a child in her class is particularly unruly.The psychologist visits the class one day to observe the child.Knowing that she is being watched,the child is on her best behavior.Which quality illustrated in this scenario makes it difficult for psychologists to study human behavior?

A measuring instrument is said to be reliable when it is able to:

Which technique is good to use to avoid the problem of demand characteristics in an experiment?

Dr.Spelke thinks that language is linked to spatial ability.To prove it,she enlists two groups of people to navigate around the room,one of them doing so while singing a song and the other while clapping hands.In this scenario,which statement is TRUE of Dr.Spelke's study?

Which value of the correlation coefficient represents the WEAKEST degree of relationship between two variables?

In an experiment,participants are placed in either an experimental group or a control group based on the flip of a coin.This method illustrates:

_____ is forming beliefs based on observations about the world,while _____ is forming beliefs based on assumptions.

Which statement about ethical research in psychology is TRUE?

Which statement is NOT true of a normal distribution?

Bydale Health has developed a new cancer-fighting drug.The company tests the effectiveness of the drug by conducting research using people of all age groups.The participants are segregated into groups,and each group is given a different dosage of the same drug.In this scenario,the dependent variable is the:

Which statement CANNOT be concluded from the systematic observation that children who watch televised aggression act violently?

Raul performs a research in Norshore high school and observes that there is a negative correlation between popularity and academic success.Which statement can be inferred from his observation?

Susan,a researcher,conducts a study in a vegetable store.She observes the store's customers for a period of 3 days without their knowledge and notices that people are more likely to buy a bag of vegetables which they have sampled at random than those that have been sampled nonrandomly by the shopkeeper.Which statement is TRUE of Susan's observation?

One way to counteract a possible third-variable problem is to use the: